#VU123113 Out-of-bounds write in Pillow - CVE-2026-25990
Published: February 20, 2026
Vulnerability identifier: #VU123113
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-25990
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Pillow
Pillow
Software vendor:
Alex Clark and Contributors
Alex Clark and Contributors
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when loading PSD images. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.